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2009•Unpublished venueRequires access

Efficiency Evaluation for the 3G and WiMAX

Chung-Hsin Liu, Ping-Shin Tsai

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Abstract

When the client moved quickly, from 3G into WiMAX service coverage, then leaved the WiMAX service coverage and accessed to another 3G range of services. At this time, that handoff frequently in a short period of time, and decreased system efficiency, also decreased the QoS. In this research, we use NS-2 to simulate the situations. The final simulation results show that when client moving, should avoid handoff frequently. Because client from WiMAX handover to 3G or 3G handover to WiMAX frequently, that would decreased the QoS.

About this research paper

What this paper is about

When the client moved quickly, from 3G into WiMAX service coverage, then leaved the WiMAX service coverage and accessed to another 3G range of services. At this time, that handoff frequently in a short period of time, and decreased system efficiency, also decreased the QoS. In this research, we use NS-2 to simulate the situations. The final simulation results show that when client moving, should avoid handoff frequently. Because client from WiMAX handover to 3G or 3G handover to WiMAX frequently, that would decreased the QoS.

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Available abstract

When the client moved quickly, from 3G into WiMAX service coverage, then leaved the WiMAX service coverage and accessed to another 3G range of services. At this time, that handoff frequently in a short period of time, and decreased system efficiency, also decreased the QoS. In this research, we use NS-2 to simulate the situations. The final simulation results show that when client moving, should avoid handoff frequently. Because client from WiMAX handover to 3G or 3G handover to WiMAX frequently, that would decreased the QoS.

Key concepts: WiMAX, Handover, Quality of service, Computer network, Computer science, Service (business), Telecommunications, Wireless

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